US11240889B2 - Lighting system for dynamic lighting control - Google Patents

Lighting system for dynamic lighting control Download PDF

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US11240889B2
US11240889B2 US16/355,224 US201916355224A US11240889B2 US 11240889 B2 US11240889 B2 US 11240889B2 US 201916355224 A US201916355224 A US 201916355224A US 11240889 B2 US11240889 B2 US 11240889B2
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light
sequence
lighting system
control device
color temperature
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US20190289703A1 (en
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Dieter Lang
Enzo Peres
Timo WEINERT
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Ledvance GmbH
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Ledvance GmbH
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/0482—Interaction with lists of selectable items, e.g. menus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/16—Controlling the light source by timing means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/196—Controlling the light source by remote control characterised by user interface arrangements
    • H05B47/1965—Controlling the light source by remote control characterised by user interface arrangements using handheld communication devices

Definitions

  • the present disclosure relates to a lighting system for dynamic lighting control.
  • Lighting systems which allow a dynamic lighting control are used in connection with human-centric lighting.
  • the brightness and light color of lamps, lights or lighting systems are time-controlled.
  • light dynamics are obtained which are oriented towards the natural course of daylight, characterized by bright light with a cold white light color (similar to daylight) in the daytime and a reduced brightness with a warm white light color in the evening and at night.
  • the time control usually takes place with times permanently programmed in and associated values for setting the brightness and light color. Interpolation between these specified values is performed according to a computation process in order to produce gradual and for the user imperceptible transitions.
  • the permanently programmed times can be adapted manually or automatically as a function of the season and geographic location, by astronomical calculations or contained tables (for example for sunrise and sunset).
  • a free possibility of intervention by the user with the possibility of changing the brightness and color temperature of the lighting system is not expedient in general, since the user does not have the necessary specialist knowledge to select from the plurality of adjustment options those which correspond to the respective situation or the individual needs of the user.
  • a lighting system comprising one or more light fixtures and a control device for adapting light parameters of the light fixture in operation.
  • light parameters can be, in particular, the intensity and/or the color temperature of the light emitted by the light fixture in operation.
  • the term “intensity” is used here and in the following as a collective term for lighting parameters such as, for example, brightness, illumination intensity, or light density.
  • a lighting system according to the disclosure can also have only one light fixture. Since a given intensity of the light emitted by the light fixture in a given installation leads to an unambiguous distribution of the illumination intensity in space, the terms “intensity,” “brightness,” and “illumination intensity” are used interchangeably in the following.
  • a light parameter can also be a variable transmission characteristic of a light source, for example the transmission direction or a variable transmission angle. This is not described in greater detail below, but can be discussed by analogy with illumination intensity or color temperature.
  • the light fixture can be connected to the control device by a cable and/or wirelessly (for example WLAN, Bluetooth, ZigBee, Z-Wave or by other protocols).
  • a mixed connection (partially by cable, partially wireless) is also possible.
  • the control device is configured to adapt the light parameters in a time-dependent manner according to one or more predetermined sequences of the light parameters.
  • the intensity and/or the color temperature of the light can be subject to change.
  • the control device can control the light fixture so that in the morning and in the evening it emits light of lower intensity and/or with a lower color temperature (for example warm white) and in the daytime it emits light of high intensity and/or with a high color temperature (for example cold white, similar to daylight).
  • a light fixture can illuminate relatively large areas by its orientation and/or its transmission angle, while in the evening only individual objects are illuminated in a targeted manner.
  • the light fixtures can be controlled, individually or combined in groups, so that different sequences can also be predetermined for different light fixtures and different groups of light fixtures.
  • control device can facilitate predetermination of one or also several sequences; for example, to define different sequences for lights on ceilings than for lights which illuminate walls.
  • control device is configured to receive a one-dimensional user setting and to change the sequence of the light parameters according to the one-dimensional user setting.
  • a one-dimensional user setting is understood to be an individual parameter, the value of which lies between a lower limit value and an upper limit value.
  • the value of the one-dimensional user input can be between 0 and 1, alternatively between 0 and 100, further alternatively between ⁇ 100 and +100.
  • a value in the value range of the one-dimensional user setting (for example a setting of 0) corresponds to the situation where the predetermined sequence of light parameters remains unchanged.
  • the value of the user setting determines how far the changed sequence deviates from the predetermined configuration.
  • the user does not have to change individual light parameters but determines the changes to the light parameters functionally derived from the individual light parameters with the change to a setting parameter.
  • the control device in response to an input of a one-dimensional user setting the control device does not directly change the current values of the light parameters, that is to say not the current brightness and the current color temperature, but according to preset specifications it changes the sequence of the light parameters from the predetermined sequence to a changed sequence and thus also affects the sequence thereof in the future. This can then also lead to the current values of the light parameters being adapted accordingly, when the changed sequence for the current time provides different values for the light parameters than the originally predetermined sequence.
  • an increase in the one-dimensional user setting can lead to an increase in both the intensity and also the color temperature.
  • the light becomes brighter and “colder”.
  • a reduction in the one-dimensional user setting can lead to a reduction in both the intensity and also the color temperature.
  • the light becomes darker and “warmer”. Due to such a setting of the light parameters in accordance with one single value, the operation of the lighting system can be simplified for a user. It is also possible to prevent the user from selecting unsuitable combinations of values for the light parameters.
  • the lighting system preferably has an input device connected to the control device for input of the one-dimensional user setting.
  • the input device can be a direct input device, for example a switch, a knob or a slider.
  • the direct input device can be a mechanical input device.
  • the direct input device can also have a display device, on which one or more input elements corresponding to a mechanical input device are displayed. Such a display device is preferably touch-sensitive. However, on a touch-sensitive display device one or more input elements can be displayed which have no equivalent in a mechanical input device. A mixed display is also possible.
  • the input device can be connected to the control device by cable and/or wirelessly (for example WLAN, Bluetooth, ZigBee, Z-Wave or by other protocols).
  • the input device can also be configured to display a measure of the change in the sequence of the light parameters on the display device. This can take place for example by a graphical representation of the value of the one-dimensional user setting. A graphical representation of the effect of the selected one-dimensional user setting on the light parameters can also take place. Furthermore, a representation of specific thresholds of the value of the one-dimensional user setting (for example in the form of words) can also take place.
  • the input device can also be an application running on a computer (in particular a desktop computer, laptop computer, smartphone, tablet or other mobile devices).
  • the application can represent one or more input elements on a display device of the computer, as described above.
  • control device is further configured to change the predetermined sequence of the light parameters corresponding to further input values.
  • Further input values are input values which are not input by a user.
  • the further input values can be determined, for example, by the control device itself (for example by internal sensors or by computation from already known parameters).
  • the control device can receive the further input values also from other components, in particular from external sensors.
  • Examples of further input values are the date, the time, the presence of persons in the region which is illuminated by the light fixtures.
  • the intensity of the illumination can be decreased when no persons are present.
  • the current values of the light parameters for example the current brightness and the current color temperature
  • the sequence of the light parameters is changed from the predetermined sequence to a changed sequence. This can then also lead to the current values of the light parameters being adapted accordingly, when the changed sequence for the current time provides different values for the light parameters than the originally predetermined sequence.
  • control device is further configured to change the predetermined sequence of the light parameters in a non-linear manner with the one-dimensional user setting. For example, in the event of a change in the one-dimensional user setting to higher setting values, the intensity is changed relatively more significantly than the color temperature, while in the event of changes to lower setting values the color temperature is changed relatively more significantly than the intensity.
  • control device is further configured to take into consideration maximum and/or minimum values for the light parameters when changing the sequence of the light parameters.
  • a predetermined sequence of maximum and/or minimum values for the light parameters can be provided and the control device can ensure that the changed sequence of the light parameters is not above the predetermined sequence of maximum values and/or not below the predetermined sequence of minimum values.
  • the maximum and/or minimum values can depend upon time parameters and/or parameters other than time parameters.
  • time parameters the maximum value of the intensity and/or the color temperature in the morning and/or in the evening can be lower than in the daytime. This may prevent settings by the user which, for example, run counter to the circadian rhythm.
  • control device is further configured to reset the predetermined sequence of the light parameters after a predetermined first time period to the predetermined sequence of the light parameters.
  • the first time period can have a constant duration.
  • the first time period can also have different durations depending upon the change made. For example, minor changes to the sequence of the light parameters can be maintained for a longer length of time than major changes.
  • the resetting of the changed sequence of the light parameters to the predetermined sequence of the light parameters after the expiry of the predetermined first time period can take place suddenly or continuously over a predetermined second time period.
  • control device is further configured to retain the changed sequence of the light parameters even after the switching off and on again of the light fixture(s) if there is at least one predetermined third time period between the switching off and on again.
  • the third time period can be selected so that after switching off and switching on again after half an hour or the next day the sequence of the light parameters is again reset to the predetermined sequence, so that the user does not have to be concerned about whether a changed sequence of the light parameters might still be set.
  • FIG. 1 shows a predetermined sequence for intensity and color temperature
  • FIG. 2 shows a further predetermined sequence for intensity and color temperature
  • FIGS. 3 a , 3 b , 3 c show further examples for predetermined sequences as well as sequences of maximum and minimum values for the color temperature and the illumination intensity;
  • FIG. 4 shows a further predetermined sequence for intensity and color temperature
  • FIG. 5 shows a changed sequence for intensity and color temperature
  • FIG. 6 shows a further predetermined sequence for intensity and color temperature
  • FIG. 7 shows a further changed sequence for intensity and color temperature
  • FIGS. 8 a , 8 b , 8 c , 8 d , 8 e show different embodiments of the graphical representation of the value of the one-dimensional user setting
  • FIG. 9 shows an example for the dependence of the melanopic daylight equivalent illumination intensity upon the illumination intensity and the color temperature
  • FIGS. 10 a , 10 b , 10 c , 10 d , 10 e show an embodiment of the graphical representation of the predetermined sequence and different changed sequences for intensity and color temperature;
  • FIGS. 11 a , 11 b , 11 c show a further embodiment of the graphical representation of the value of the one-dimensional user setting
  • FIGS. 12 a , 12 b show further embodiments of the graphical representation of the value of the one-dimensional user setting combined with a quasi-analogous representation of the user setting as an arrow;
  • FIG. 13 shows schematically an embodiment of a lighting system according to the disclosure.
  • FIG. 1 shows a predetermined sequence for intensity and color temperature (CCT, correlated color temperature).
  • CCT intensity and color temperature
  • a control device of a lighting system can automatically and dynamically (with time control) set the intensity and color temperature of the light fixtures belonging to the lighting system so that an advantageous illumination in terms of human-centric lighting is produced.
  • the definition of the dynamics takes place by predetermination of specific support points which, at defined times t corresponding to the time of day, predetermine associated values for illumination intensity (“illumination intensity” and “intensity of the light” are used interchangeably below) and color temperature. For times between the defined support points, intermediate values can be automatically interpolated by the control device, so that uniform transitions from one support point to the next are possible which are imperceptible to the user.
  • the predetermination of additional support points for a more precise graduation is possible, as illustrated in FIG. 2 .
  • the interpolation can be omitted.
  • FIGS. 1 and 2 and also in FIGS. 3 to 7 which are described below, in each case the color temperature is shown in Kelvin (K) on the left and (except for FIG. 3 ) the illumination intensity is shown in lux (Ix) on the right.
  • K Kelvin
  • Ix lux
  • the times that define support point can be changed as a function of astronomical data (for example time, sunrise and sunset times, geographical location). This can take place manually or automatically under program control. Thus, for example, the time at which the increase in illumination intensity and color temperature begins in the morning can be automatically adapted to the sunrise time.
  • astronomical data for example time, sunrise and sunset times, geographical location.
  • the predetermined time sequence S of a light parameter X can be expressed as S X,0 (t).
  • the predetermined time sequence of the intensity (or illumination intensity) can be expressed as S B,0 (t) and the predetermined time sequence of the color temperature can be expressed as S T,0 (t).
  • This time-dependent control of color temperature and brightness can be changed by further overlaid functions.
  • the support points for illumination intensity and color temperature which originally determine for each time t a fixed initial or basic setting for illumination intensity S B,0 (t) and color temperature S T,0 (t), are changed for each time according to an overlaid function.
  • These overlaid functions can be defined by external signals such as, for example, user interfaces or sensors. However, parameters such as time of days or season can be included therein.
  • the user can perform individual interventions in the system and can change the pre-defined settings.
  • the parameter x stands for a value which can be calculated from various different parameters.
  • x can be determined primarily or exclusively by a setting selected by the user on a user interface, such as for example a desired adjustment to higher or lower values.
  • x can also be influenced by an external sensor which in the absence of the user takes the basic setting to low values down to zero, or which takes the brightness back as a function of the availability of daylight.
  • FIG. 3 a This is illustrated by way of example for the color temperature in FIG. 3 a .
  • the basic setting is shown there as a bold solid line, corresponding to a user input of 0.
  • the maximum value which in this case is limited by the technical possibilities of the lighting system is represented as a dotted line at 6500 K.
  • the minimum value at 2700 K is represented as a broken line.
  • these limits are usually provided by the technical possibilities of the lighting system, for example maximum intensity of a light fixture or technically possible range for the color temperature.
  • these technical limits can be further restricted, in that for the maximum and minimum setting values for illumination intensity and color temperature in each case one or two threshold functions are defined, which define maximum and/or minimum values for color temperature and for illumination intensity as a function of the time of day t.
  • FIG. 3 b shows the basic setting, i.e. the predetermined sequence using the example of the color temperature as a bold solid curve, corresponding to a user input of 0, as a function of the time of day.
  • the upper, dotted curve shows by way of example a threshold function for the maximum color temperature which can be set at a specific time. In this case the maximum value of approximately 6500 K is dictated technically, but in the morning and evening hours the maximum color temperature is further limited to lower values.
  • the lower curve as a broken line shows the minimum color temperature which can be set.
  • the minimum value of approximately 2700 K occur is dictated technically, but in the daytime the minimum color temperature is temporarily limited to higher values.
  • color temperature sequences which can result from user inputs between ⁇ 100 and +100 are illustrated, by way of example, in FIG. 3 b.
  • a predetermined sequence (bold solid line) and an upper (broken line) and lower (dotted line) limit sequences for the illumination intensity are illustrated. These can have a different characteristic than the sequences of the color temperature. Nevertheless, they react to the same user input to which the sequence of the color temperature also reacts.
  • the threshold functions can be used to limit the changeability of the light setting. For example, it is expedient in the evening not to allow very high values for the color temperature, in order to minimize possible disruptions of the circadian rhythms of the user and a negative influence on sleep.
  • a maximum color temperature of 6500 K is permitted, if the system technically allows it.
  • the maximum value of the color temperature S T,max (t) for t>21:00 is limited to 4000 K.
  • the basic setting i.e. the predetermined sequence of the color temperature S T,0 (t) for this time provides a color temperature of 2700 K, in this example a maximum color temperature of 4000 K can thus also be achieved by user interventions. This allows the restriction of user interventions to settings which have been defined as expedient.
  • a high color temperature and high illumination intensity are normally selected as the basic setting; for the evening and the night a low color temperature and a lower illumination intensity are used.
  • Such threshold functions can be programmed in as predetermined “expedient” functions in the lighting system and/or can also be configured during the start-up or by experienced users.
  • a sensor for daylight or for the presence of persons can give an additional signal which reduces the maximum intensity which is emitted by the light fixtures.
  • an input device For input of a required deviation from the predetermined sequence of the light parameters, an input device (also called a user interface or operating element) is preferably used.
  • an operating element allows a deviation from the initial setting S B,0 (t) and S T,0 (t) described above which is one-dimensional, that is to say only in two directions which are designated below as “up” and “down”.
  • the operating element can be a rotary knob, a slider, a push button with an “up” and a “down” function, or a comparable element, which really exists or is arranged virtually on the operating panel of a user interface.
  • a key feature is that the input unit emits only one one-dimensional parameter, for example a number of units in the “up” or “down” direction, but because of the stored functions this one-dimensional parameter affects the deviation from the basic setting for illumination intensity and color temperature.
  • a setting E of the operating element therefore corresponds to a change required by the user for the predetermined sequences (control curves) for color temperature and illumination intensity.
  • the setting of the operating element does not act directly on the color temperature and illumination intensity of the light fixtures of the lighting system, but on the functions which describe color temperature and illumination intensity.
  • the same changes to the setting E can have different effects on the actual change of color temperature and illumination intensity, for example as a function of the time of day. Since further parameters can participate in the function for changing the basic setting, complex dependencies can be implemented. Thus, it is conceivable that at specific times of day changes to the color temperature are restricted in one or the other direction, or that, as a function of the current basic settings, required changes by the user affect the color temperature and the illumination intensity to a different extent.
  • the actuation of the “up” function can effect a change of illumination intensity and/or color temperature to higher values.
  • the “down” function is actuated, the change to lower values can accordingly take place.
  • the setting E can correspond to the position of a slider or rotary switch. It can also correspond to the number of emitted pulses or the rotational speed of a rotary encoder, or a differently input or calculated value (for example by a gesture or a sensor, or another way) for the extent of an adjustment required by the user or oriented to his requirements.
  • an input for change to higher values (“up”) could initially have a stronger effect on the illumination intensity than on the color temperature. Only when the user inputs a change very strongly in the “up” direction, the color temperature also “follows suit”.
  • S T (t) and S B (t) for the settings of color temperature and illumination intensity are used here so that the setting and the value itself are used synonymously, even if internally in the control device a digital value is calculated which only corresponds to the light values. This may be, internally, a percentage, an 8-Bit or 16-Bit control value or the like.
  • the color temperature which internally in the control device or externally in the operating device of a light fixture can be converted into a representation as a color location x,y or as a ratio of pulse width modulation of two or more output channels of a light control systems.
  • the illumination intensity and the color temperature are changed proportionately to the setting E.
  • V T (t 1 ,1) 20 K.
  • this may apply for all times t and the dependence of change V and the setting E may be linear.
  • this may also apply for all times t and the dependence of V and the setting E may be linear.
  • the predetermined sequence for color temperature and illumination intensity is illustrated in FIG. 4 and the changed sequence of these light parameters for a change to the user input by +50 is illustrated in FIG. 5 .
  • the maximum value for the time t 1 may be limited to 6000 K.
  • V B (t 1 ,50) 75 Ix
  • the setting E is more finely graduated, and the fundamental curve shape is maintained. Rather, the sequence is expanded or compressed. Minimum or maximum values are achieved at the same times as before the user intervention.
  • the predetermined sequence for the color temperature and the illumination intensity is illustrated in FIG. 6 and the changed sequence of these light parameters for a change to the user input by +50 is illustrated in FIG. 7 .
  • any other functions for the association of the setting E to changes V are conceivable.
  • such changes in which the relationship between the setting E and the change V for illumination intensity and color temperature is described by a monotonically increasing operation, i.e. in the event of increasing values of the setting E the illumination intensity and/or the color temperature likewise increase or are at least maintained.
  • the illumination intensity and/or color temperature also fall or are at least maintained.
  • negative values of the setting E corresponds to a reduction of the illumination intensity and/or color temperature according to the examples a) and b), but in the other direction.
  • the illumination intensity changes according to linear functions as described in example b), whilst the color temperature changes according to a non-linear function.
  • V T ( t 1 ,E ) ( E/ 100) ⁇ circumflex over ( ) ⁇ 3 ⁇ ( S T,max ( t 1 ) ⁇ S T,0 ( t 1 ))
  • a minimum illumination intensity is preferably defined which is always kept as a minimum value so that sufficient quality of vision is ensured. In work environments, such as offices or conference rooms, this minimum value can be predetermined by standards. The value of S B,min (t) should correspond to this minimum value. In the “normal” dynamics—even after user intervention—as described above this minimum value is not undershot.
  • a further reduced brightness for example when a relaxed mood is to be set in a room, or when only a very low brightness is required, for example in order to watch a film or a presentation.
  • Such a change can be displayed, for example, graphically by a diagram which shows the changed sequence of illumination intensity and color temperature, optionally by comparison with the predetermined sequence.
  • Such a display can preferably take place directly on the input device, so that during the change of the one-dimensional user setting the user has the effects directly in view.
  • the input device can have a touch-sensitive display device on which the user makes the required change by touch.
  • the display takes place by a bar chart (horizontal or vertical), on which the setting just selected for the one-dimensional user setting is highlighted.
  • a bar chart can, for example, display the value for the one-dimensional user setting with color coding, as illustrated schematically in FIG. 8 a .
  • a “neutral” shade as white or light yellow can be used for the “normal setting”, i.e. for a dynamics according to the predetermined sequence.
  • Raised values for the one-dimensional user setting can be indicated by shades of blue (for example light blue to dark blue or pale blue to strong blue) and lowered values can be indicated by shades of red and/or orange (for example yellow to red).
  • Such a display can take place (more or less) in an analogous, i.e. continuously variable, manner.
  • the display can also have categories which, for example, represent the corresponding light situation. These categories can be given using words, as illustrated schematically in FIG. 8 b .
  • this is for example “HCL Daylight” for the predetermined sequence (i.e. without any deviation input by the user) as well as “Work Late” and “Performance Boost” for raised values of the one-dimensional user setting.
  • “CREATIVE” and “RELAX” are used.
  • other terms and also more or fewer terms can also be used
  • FIG. 8 d A different type of representation is illustrated schematically in FIG. 8 d .
  • the current values of illumination intensity and color temperature are shown on a scale, in this case as superimposed bar charts with different colors, for example yellow for the illumination intensity (narrow bar) and blue for the color temperature (wide bar).
  • the bars can also be arranged below one another or adjacent to one another.
  • the bars can also be in a ring.
  • a new value can be calculated from the values for the illumination intensity and color temperature according to a formula. This can take place, for example, by multiplication of the two values or also multiplication of the two values with respective constant factors and addition of the products.
  • a factor can be determined which describes the ratio of melanopic equivalent daylight illuminance according to DIN SPEC 5031-100:2015 to the visually evaluated illumination intensity.
  • this value is a measure of the effectiveness of the light on the biological system at a specific illumination intensity and a specific color temperature.
  • This value can also be displayed on a scale.
  • This embodiment is shown schematically in FIG. 8 e .
  • the representation as a ring-shaped bar or in the form of a tacho display is also conceivable.
  • FIGS. 10 a and 10 e show a further type of display.
  • symbols for different values for the one-dimensional user input are shown on the left, comparable with FIG. 8 c .
  • the setting just selected or at least the symbol which is closest to the setting just selected can be shown highlighted.
  • the respective sequence of color temperature and illumination intensity is indicated on a horizontal time axis.
  • the color of the vertical bars can represent the color temperature at the respective time. For example, warm to neutral white light colors can be represented by orange-colored to yellow bars, and cold white light colors can be represented by light blue to strong blue bars.
  • the illumination intensity can be symbolized by the length of the bars.
  • the lower value of the bar can be determined by the color temperature. This makes it possible to symbolize that higher color temperatures have a higher non-visual effect.
  • a bar corresponds to the mean value from approximately 1.5 hours over the entire day.
  • the setting can be symbolized for the user.
  • the current status can be displayed by a symbol (for example a sun symbol above the bar). It is possible for the user to see how the illumination situation is further changed.
  • a display of the sequence of color temperature and illumination intensity, in particular for the future values, can also take place in another way.
  • FIGS. 10 a to 10 e can correspond to the terms “Performance Boost”, “Work Late”, “HCL Daylight”, “CREATIVE” and “RELAX” mentioned with regard to FIG. 8 b.
  • Performance Boost could also be designated as “boost”, “performance-enhancing illumination”, “concentration” or by terms with a similar meaning. This setting would be suitable for increasing concentration and efficiency in the short term, but it carries the risk of also having a negative influence on the user at the wrong time, for example by enhanced biological effects in the evening.
  • the period of time for which the “performance boost” setting remains activated can be limited.
  • the “Performance Boost” setting is selected after 21:00 the value of setting E could be automatically reduced under program control every 2-3 minutes by a specific amount, until the “Work Late” setting (described below) is reached again.
  • FIG. 10 a An example of a changed sequence of the light parameters in the “Performance Boost” setting is illustrated in FIG. 10 a .
  • FIGS. 3 b and 3 c these are the sequences which are close to the upper limit sequences.
  • the “Work Late” setting could also be designated as “evening working” or “concentration (without circadian disturbance)”, “focused working” or the like.
  • This setting in which the illumination intensity is significantly increased beyond the predetermined starting setting, while the color temperature is not or only slightly raised, is suitable in order to work in the evening or at night without a considerable disruptive effect on the circadian system. However, it can also be used in the daytime in order to promote concentrated working.
  • FIG. 10 b An example of a changed sequence of the light parameters in the “Work Late” setting is illustrated in FIG. 10 b .
  • FIGS. 3 b and 3 c these are the sequences which lie in the middle area between the predetermined sequence and the upper limit sequence.
  • HTL Daylight could also be designated as “HCL mode”, “daylight”, “standard operation”, “daylight dynamics”, “natural illumination” or by similar terms which symbolize that the illumination is oriented substantially towards the natural daylight sequence.
  • FIG. 10 c An example of a changed sequence of the light parameters in the “HCL Daylight” setting is illustrated in FIG. 10 c .
  • FIGS. 3 b and 3 c these are the sequences which lie close to the predetermined sequence.
  • the “CREATIVE” setting could also be designated as “creativity illumination” or the like.
  • Creativity illumination or the like.
  • the “CREATIVE” setting is illustrated in FIG. 10 d .
  • FIGS. 3 b and 3 c these are the sequences which lie in the middle area between the predetermined sequence and the lower limit sequence.
  • the “RELAX” setting could also be designated as “relaxation” or the like. Warm colors and a brightness which is reduced below the conventional “working level” promote the relaxation and enable a familiar atmosphere. Examples of applications are for example relaxed conversation in the afternoon or evening, but also a “Christmas mood” or the like.
  • FIG. 10 e An example of a changed sequence of the light parameters in the “RELAX” setting is illustrated in FIG. 10 e .
  • FIGS. 3 b and 3 c these are the sequences which lie close to the lower limit sequence.
  • the one-dimensional user input can also include values between these discrete settings.
  • the resulting sequence of the light parameters can then be displayed in the examples according to FIGS. 10 a to 10 e in the bar chart.
  • the plurality of possible user inputs on the one-dimensional scale can also be assembled into more than the aforementioned five groups or other designations.
  • the display of the one-dimensional user input can take place using words, wherein the size of the words symbolizes the set value. This is shown by way of example in FIGS. 11 a to 11 c.
  • the category corresponding to the selected setting can be displayed in a larger font size than adjacent settings and more remote settings.
  • the font sizes can be finely graduated in many steps, adapted quasi-analogously to the setting selected by the user.
  • the drawings 11 a to 11 c show, by way of example, three displays out of a possible large number of images for feedback of the setting to the user.
  • the representation according to FIG. 11 a corresponds to a “Boost” setting.
  • the representation according to FIG. 11 b corresponds to a setting between “Daylight” and “Work Late”.
  • the representation according to FIG. 11 c corresponds to the “Creative” setting with a slight tendency towards “Relax”.
  • FIGS. 12 a and 12 b A further type of representation is shown schematically in FIGS. 12 a and 12 b .
  • the current value of the one-dimensional user input is illustrated on a curved scale by an arrow.
  • the characterization of the set value can be displayed in a similar manner to that described above in addition to the illustrated terms by colors and/or font sizes.
  • FIG. 13 An embodiment of a lighting system according to the disclosure is illustrated schematically in FIG. 13 .
  • the lighting system has one or more light fixtures 1 (two light fixtures 1 are shown here) and a control device 2 for adapting light parameters of the light fixtures 1 in operation.
  • the light fixtures 1 are connected by cables to the control device 2 .
  • a wireless connection can also be provided.
  • the lighting system has an input device 3 , in which a display device 4 and a knob 7 are integrated.
  • a one-dimensional user setting can be selected and transmitted to the control device 2 by the knob 7 of the input device 3 .
  • the input device 3 is connected by cables to the control device 2 .
  • a wireless connection can also be provided.
  • a setting of the one-dimensional user preset can take place, also or exclusively, by a program running on a mobile device 5 (for example smartphone or tablet).
  • the mobile device 5 can communicate with the control device by wireless radio protocols.
  • the lighting system has one or more sensors 6 which for example detect the brightness or the presence of persons and transmit this to the control device.
  • the sensors 6 are connected by cables to the control device 2 .
  • a wireless connection can also be provided.

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DE102020105332A1 (de) 2020-02-28 2021-09-02 Ledvance Gmbh Leuchtvorrichtung mit integrierter Steuerung
WO2021224159A1 (fr) * 2020-05-05 2021-11-11 Signify Holding B.V. Émulation d'éclairage extérieur immersive
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US20190289703A1 (en) 2019-09-19
US20220256666A1 (en) 2022-08-11
CN111869329A (zh) 2020-10-30
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US11898743B2 (en) 2024-02-13
US11324088B2 (en) 2022-05-03
US20210014953A1 (en) 2021-01-14
EP3766305A1 (fr) 2021-01-20
US20220159802A1 (en) 2022-05-19
DE102018106089A1 (de) 2019-09-19

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